Home / 21,319,022.41-29,420,338.96-11,529,466.39

Finding the Fourth Proportional to 21,319,022.41, 29,420,338.96 and 11,529,466.39

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Solution

The fourth proportional to 21,319,022.41, 29,420,338.96 and 11,529,466.39 is: 15,910,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,022.41 : 29,420,338.96 = 11,529,466.39 : x
  2. Step 2: Convert to fraction form
    21,319,022.41/29,420,338.96 = 11,529,466.39/x
  3. Step 3: Cross multiply
    21,319,022.41x = 29,420,338.96 × 11,529,466.39
  4. Step 4: Simplify right side
    21,319,022.41x = 339,200,809,272,914.81
  5. Step 5: Solve for x
    x = 339,200,809,272,914.81/21,319,022.41
  6. Step 6: Final answer
    x = 15,910,711.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.